听力音频：

https://mp.weixin.qq.com/s/DSZDi–uxDHlwe8Ns42AxA?token=22065977&lang=zh_CN

C1：

Conversation 1：

第一题

Why does the professor want to speak with the woman?

ATo discuss her request for an extension on an assignment

BTo more fully answer a question that she had raised in class

CTo suggest ways to improve an assignment that she submitted

DTo suggest a way to share her idea with scientists

第二题

What initially surprised the woman about the silver carp?

AIt was brought to North America deliberately.

BIt failed to keep water-treatment ponds clean.

CIt eats only algae.

DIt is not native to North America.

第三题

What opinion does the professor express about the woman’s idea for preventing the spread of silver carp?

AThe idea appears to be original.

BThe idea appears to be based on faulty data.

CThe idea would probably be inexpensive to implement.

DThe idea is not relevant to the theme of the ecology conference

第四题

What is implied about the silver carp’s sense of smell?

AIt is evolving relatively quickly.

BIt is extremely sensitive.

CIt is the subject of several recent research studies.

DIt does not develop until the fish completely matures.

第五题

What does the professor imply when he talks about students’ proposals?

AThe woman’s proposal has a good chance of being accepted.

BThe woman should work with another student on her proposal.

CStudents are expected to test their hypothesis before writing a proposal.

DStudents’ proposals should cite the work of conference attendees.